Numpy: multiply, matmul, dot for matrices

---

examples/numpy/multiply_matrixes.py

import numpy as np

a = np.array([[1, 2, 3], [4, 5, 6]])
b = np.array([[1, 3, 4], [7, 8, 0]])
print(a)
print(b)
print()

print(a*b)
print(b*a)
print()

print(np.multiply(a, b))

print()
print( np.dot(a, b.transpose()) )
print( np.matmul(a, b.transpose()) )

print()
print( np.dot(a.transpose(), b) )
print( np.matmul(a.transpose(), b) )

[[1 2 3]
 [4 5 6]]
[[1 3 4]
 [7 8 0]]

[[ 1  6 12]
 [28 40  0]]
[[ 1  6 12]
 [28 40  0]]

[[ 1  6 12]
 [28 40  0]]

[[19 23]
 [43 68]]
[[19 23]
 [43 68]]

[[29 35  4]
 [37 46  8]
 [45 57 12]]
[[29 35  4]
 [37 46  8]
 [45 57 12]]